If the Population Standard Deviation Is Not Known, Which Statistical

question 6

Multiple Choice

If the population standard deviation is not known, which statistical test should be used?

• A) the z test
• B) the t test
• C) the standard deviation test
• D) the variance test

---

Definitions:

Fixed Manufacturing Overhead

Indirect production costs that remain constant regardless of the level of production, such as rent and salaries of managers.

Fixed Manufacturing Overhead

The consistent, indirect costs associated with manufacturing that do not vary with the level of production, such as rent, insurance, and salaries of permanent staff.

Variable Costing

A costing method that includes only variable production costs (direct materials, direct labor, and variable overhead) in product costs, excluding fixed overhead.

Absorption Costing

A method of product costing that incorporates all manufacturing costs, including both fixed and variable costs, in the price of a product.